Browsing by Author "Frew, D. J."

Now showing items 1-3 of 3

    • First release of the IPHAS catalogue of new extended planetary nebulae 

      Sabin, L.; Parker, Q. A.; Corradi, R.L.M.; Guzman-Ramirez, L.; Morris, R.A.H.; Zijlstra, A.A.; Bojičić, I. S.; Frew, D. J.; Guerrero, M.; Stupar, M.; Barlow, M. J.; Cortés Mora, F.; Drew, J.E.; Greimel, R.; Groot, P.; Irwin, J. M.; Irwin, M. J.; Mampaso, A.; Miszalski, B.; Olguín, L.; Phillipps, S.; García, M. Santander; Viironen, K.; Wright, N. J. (2014-10-01)
      We present the first results of our search for new, extended planetary nebulae (PNe) based on careful, systematic, visual scrutiny of the imaging data from the Isaac Newton Telescope Photometric Ha Survey of the Northern ...

    • The Necklace : equatorial and polar outflows from the binary central star of the new planetary nebula IPHASX J194359.5+170901 

      Corradi, R. L. M.; Sabin, L.; Miszalski, B.; Rodriguez-Gil, P.; Santander-Garcia, M.; Jones, D.; Drew, J.E.; Mampaso, A.; Barlow, M.J.; Rubio-Diez, M. M.; Casares, J.; Viironen, K.; Frew, D. J.; Giammanco, C.; Greimel, R.; Sale, S. E. (2011-01)
      IPHASX J194359.5+170901 is a new high-excitation planetary nebula with remarkable characteristics. It consists of a knotty ring expanding at a speed of 28 km s-1, and a fast collimated outflow in the form of faint lobes ...

    • Newly discovered Wolf-Rayet and weak emission-line central stars of planetary nebulae 

      DePew, K.; Parker, Q. A.; Miszalski, B.; De Marco, O.; Frew, D. J.; Acker, A.; Kovacevic, A. V.; Sharp, R. G. (2011-07)
      We present the spectra of 32 previously unpublished confirmed and candidate Wolf-Rayet ([WR]) and weak emission-line (WELS) central stars of planetary nebulae (CSPNe). 18 stars have been discovered in the Macquarie/AAO/Strasbourg ...